sa-check_spamd(1p) on Linux
The text b6391c9dad41, as Debian 11 (Bullseye) shipped it.
spamd monitoring script for use with Nagios, etc.
Flags it lists
-
--critical -
--help -
--hostname -
--port -
--socketpath -
--timeout -
--verbose -
--version -
--warning -
-? -
-H -
-V -
-c -
-h -
-p -
-t -
-v -
-w